比如有一张表:signals_120628
想把这种表的数据快速的导入到分区表signals,方法如下:
ALTER TABLE SIGNALS EXCHANGE PARTITION P120628 WITH TABLE signals_120628;
花了 26秒。
Executed in 26.437 seconds
SQL> select count(*) from SIGNALS partition(P120628);
COUNT(*)
----------
3803257
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